One way to compare two ratios is the make the denominator the same, then compare the numerator.
for example, 3/4 and 5/6, the least common multiple of 4 and 6 is 12, so make the denominator into 12
3/4=9/12, 5/6=10/12, 10 is larger than 9, so 5/6 is larger than 3/4
another way to compare is to "cross times"
for example, again 3/4 and 5/6, multiple 3 and 6, you get 18, multiple 4 and 5 you get 20, 20 is larger than 18, so 5/6 is larger than 3/4
Answer:
15 x 1 + 5 x 3 = 30
Step-by-step explanation:
If you turn the x into a one then it multiplies 15 by one and then it remains at 15, then you multiply 5 and 3 so that's 15 and then 15 + 15 is 30.
4,700 is 4 thousand and 7 hundred
But for 4 thousand it's 4,000 and for 7 thousand it's 7,000
The answer is 54 square units.
let the vertex in quadrant I be (x,y)
<span>then the vertex in quadratnt II is (-x,y) </span>
<span>base of the rectangle = 2x </span>
<span>height of the rectangle = y </span>
<span>Area = xy </span>
<span>= x(27 - x</span>²<span>) </span>
<span>= -x</span>³<span> + 27x </span>
<span>d(area)/dx = 3x</span>²<span> - 27 </span><span>= 0 for a maximum of area </span>
<span>3x</span>²<span> = 3 x 3</span>² = <span>27 </span>
<span>x</span>²<span> = 9 </span>
<span>x = ±3 </span>
<span>y = 27-9 = 18 </span>
So, the largest area = 3 x 18 = 54 square units
Help my teacher needs it it was due on Tuesday